Table Des Matières - Mitsubishi Electric CITY MULTI PAC-AH001-1 Manuel D'installation

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PAC-AH001-1 ..................................................................................................................................... 7
Purpose ..................................................................................................................................... 7
1. Safety Precautions .................................................................................................................. 8
Before installation and electric work ..................................................................................... 8
Symbols used in the text ............................................................................................. 8
Precautions for devices that use R410A refrigerant .............................................................. 11
Before installation .............................................................................................................. 12
Before - electrical work ....................................................................................................... 13
Before starting the test run ................................................................................................. 14
2. Components .......................................................................................................................... 15
3. System Configuration ............................................................................................................. 16
3.1 System components ..................................................................................................... 16
3.2 Selection of the heat exchanger (air handling unit) ......................................................... 16
3.2.1 Contamination control ........................................................................................ 16
3.2.2 Specifications of the heat exchanger .................................................................. 16
3.2.3 LEV Assembly Design Capacity Range ............................................................... 17
4. Selecting an installation site and installing the control box ......................................................... 18
4.1 Combining indoor units with outdoor units ...................................................................... 18
4.2 Installing the control box ............................................................................................... 18
5. Refrigerant pipe specifications ................................................................................................ 21
6. Connecting refrigerant pipes ................................................................................................... 22
6.1 Refrigerant piping work ................................................................................................. 22
6.2 LEV Assembly installation ............................................................................................. 23
Figure 6-2 shows the installation for a single LEV Assembly. ........................................ 24
Figure 6-3 shows the installation 2 LEV Assemblies in parallel. ..................................... 25
6.3 Thermistor installation .................................................................................................. 26
6.3.1 Thermistor for gas pipe ...................................................................................... 26
6.3.2 Thermistor for liquid pipe .................................................................................... 27
6.3.3 Thermistor for suction/discharge air .................................................................... 27
7. Electrical Wiring ..................................................................................................................... 29
Precautions on electrical wiring ........................................................................................... 29
Connecting wiring .............................................................................................................. 30
Transmission cable specifications ....................................................................................... 30
7.1 Power supply wiring ..................................................................................................... 31
7.2.1 Connection to Outdoor Unit ................................................................................ 33
7.2.3 Connection for Operation with Third Party Controller ............................................ 35
7.3 Connecting LEV assembly and thermistor cables ........................................................... 36
7.3.1 Connecting LEV assembly cables ....................................................................... 36
7.3.2 Connecting thermistor cables ............................................................................. 36
7.4 Connecting external input/output signals ........................................................................ 37
7.5 External I/O specifications ............................................................................................ 41
8. Setting switches ..................................................................................................................... 42
8.1 Setting addresses ........................................................................................................ 42
8.2 Setting unit capacity ..................................................................................................... 42
8.3 Setting Remote Controller Type ..................................................................................... 44
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